问题

Beijing ______a lot in the past ten years. Now it hasbecome one of the biggest modern______ in the world.
A: changes, cities
B: changed, city
C:changed, cities
D:has changed, cities
B: changed, city
C:changed, cities
D:has changed, cities
正确答案是:
同类题型
How could I apply for a course online— Just fill in this form and we ____ whatwe can do for you
___ great fun we had in Yandu Park last Sunday!
It sunny today, but it cloudy yesterday.
Please open the window, Daniel.— I can’t hear you well.
The organizers promise ________wins the first prize a chance to go abroad。